CN102924873A - High-strength reverser reinforcing ring - Google Patents
High-strength reverser reinforcing ring Download PDFInfo
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- CN102924873A CN102924873A CN2012104269130A CN201210426913A CN102924873A CN 102924873 A CN102924873 A CN 102924873A CN 2012104269130 A CN2012104269130 A CN 2012104269130A CN 201210426913 A CN201210426913 A CN 201210426913A CN 102924873 A CN102924873 A CN 102924873A
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Abstract
The invention discloses a high-strength reverser reinforcing ring which comprises a reinforcing ring base body formed by alkali-free glass fiber yarns, wherein the reinforcing ring base body is cured by a soaking resin mother solution to form a reinforcing ring body; the resin mother solution is prepared from the following materials: epoxy resin, a curing agent, an organic solvent and powdery insulating solid particles; by weight, the adding quantity of the curing agent is 65 to 75 percent of the adding quantity of the epoxy resin, the adding quantity of the organic solvent is 35 to 50 percent of the adding quantity of the epoxy resin, and the adding quantity of the powdery insulating solid particles is 1 to 3 percent of the adding quantity of the epoxy resin; and at least one part of the powdery insulating solid particles are exposed on the outer surface of the formed reinforcing ring body. Compared with the prior art, the high-strength reverser reinforcing ring disclosed by the invention has the advantages that the integral strength of the reinforcing ring body is greatly improved, and the abrasion resistance of the reinforcing ring body is improved.
Description
Technical field
The present invention relates to a kind of strengthening ring, relate in particular to a kind of high-strength commutator strengthening ring.
Background technology
Reverser is the key part of making motor, and strengthening ring is the important component part of reverser, and the quality of reverser is played conclusive effect.
Initial strengthening ring is that metallic substance is made, although the strengthening ring that metallic substance is made has increased the tensile strength of reverser, but because it is on-insulated, can not be directly and the conductor of outside contact, must connect in addition a dielectric body device ability and conductor contact, and duration of service long after, the strengthening ring that metallic substance is made also easily causes to puncture between commutator segment and the sheet and opens circuit, and has affected the use properties of reverser.For this reason, someone has developed the strengthening ring for commutator of being made by insulating material, be that 200520101758.0 Chinese utility model patent discloses a kind of engine commutator high-strength stiffening ring such as application number, it comprises the reinforcement ring body that the alkali-free glass fibre yarn that is shaped by epoxy resin cure consists of, and it is characterized in that: described reinforcement ring body is twisted with the fingers mutually by at least 2 alkali-free glass fibre yarns that the alkali free glass fibre strand that forms is stacked to be consisted of.Another application number is the manufacture method that 200510023210.3 Chinese invention patent discloses a kind of strengthening ring for commutator, it is characterized in that may further comprise the steps: a, take F46 Resins, epoxy and 504 solidifying agent by weight as 1: 0.7～0.8 preparation resin mother liquor; B, the non-alkali glass yarn is immersed in the resin mother liquor; C, the non-alkali glass yarn that will soak into the resin mother liquor are wound on the rod iron, then dry by the fire 4～8 hours under 180～240 ℃ of conditions in baking oven; D, with the oven dry rod iron from baking oven, take out cooling, then the cavetto outside surface will be taken out from rod iron by the open tube that non-alkali glass yarn and cured resin consist of; E, cut into strengthening ring blank, deburring.Also can advance baking oven cured 6～8 hours under 200～280 ℃ of conditions again.
Although above-mentioned patent has solved the problem of insulation, also have following shortcoming: at first, its tensile strength is not high, remains further to be improved; Secondly, wear resisting property is poor, has affected its Long-Term Properties.
Summary of the invention
The present invention is directed to deficiency of the prior art, a kind of high-strength commutator strengthening ring is provided, its tensile strength and wear resisting property have had significant improvement.
For solving the problems of the technologies described above, the present invention is solved by following technical proposals: a kind of high-strength commutator strengthening ring, comprise the strengthening ring matrix that is consisted of by alkali-free glass fibre yarn, described strengthening ring matrix forms after infiltrating resin mother liquor solidifying formation and strengthens ring body, it is characterized in that: described resin mother liquor is formed by following material configuration: Resins, epoxy, solidifying agent, organic solvent and Powdered solid insulation particle, by weight, the add-on of described solidifying agent is 65% to 75% of described Resins, epoxy add-on, the add-on of described organic solvent is 35% to 50% of described Resins, epoxy add-on, and the add-on of described Powdered solid insulation particle is 1% to 3% of described Resins, epoxy add-on; Wherein, have at least the described Powdered solid insulation particle of part to expose to the outside surface of the described reinforcement ring body after the moulding.
At first, the Powdered solid insulation particle among the present invention is as strengthening body, and it bonds by the surface in contact with Resins, epoxy and solidifying agent, has strengthened greatly the bulk strength of strengthening ring body; Secondly, the outside surface that the described Powdered solid insulation particle of part exposes to the described reinforcement ring body after the moulding helps to improve the wear resisting property of strengthening ring body, and the Powdered solid insulation particle of its inside helps to improve the lasting wear resisting property of strengthening ring body.
As preferably, above-mentioned Powdered solid insulation particle comprises a kind of in silicon rubber, viton, aluminum oxide, silicon nitride, silicon carbide and the silicon-dioxide at least.Above-mentioned materials all has rub resistance, resistant to elevated temperatures characteristics, further guarantees result of use of the present invention.
In order to obtain better technique effect, as preferably, above-mentioned Powdered solid insulation particle is nano-scale particle.So that Powdered solid insulation particle disperses is more even, make and strengthen ring body intensity everywhere and be tending towards evenly, and increase the contact area of itself and Resins, epoxy and solidifying agent, so that combination is more firm, intensity is further enhanced.
Further technical measures also comprise: above-mentioned Resins, epoxy comprises E51 Resins, epoxy and F51 novolac epoxy, by weight, described E51 Resins, epoxy account for described Resins, epoxy total amount 75% to 65%, described F51 novolac epoxy account for described Resins, epoxy total amount 25% to 35%.E51 Resins, epoxy its fragility after curing is higher, it is out of shape easy fracture under external force, affect the performance of product, and the F51 novolac epoxy plays toughness reinforcing effect in the present invention, make reinforcement ring body of the present invention be out of shape under external force not easy fracture, further strengthened every intensity index of strengthening ring body under both mating reactions, so that the performance of reinforcement ring body of the present invention is in more stable state.
As preferably, above-mentioned organic solvent is a kind of in methyl alcohol, ethanol or the acetone.
As preferably, above-mentioned solidifying agent is resol.The most important feature of resol is exactly high thermal resistance, even under very high temperature, also can keep the globality of its structure and the stability of size, so that reinforcement ring body of the present invention performance at high temperature still is protected.
Compared with prior art, the invention has the beneficial effects as follows: at first, the Powdered solid insulation particle among the present invention is as strengthening body, and it bonds by the surface in contact with Resins, epoxy and solidifying agent, has strengthened greatly the bulk strength of strengthening ring body; Secondly, the outside surface that the described Powdered solid insulation particle of part exposes to the described reinforcement ring body after the moulding helps to improve the wear resisting property of strengthening ring body, and the Powdered solid insulation particle of its inside helps to improve the lasting wear resisting property of strengthening ring body.
Embodiment
Below in conjunction with embodiment the present invention is described in further detail: embodiment 1.
A kind of high-strength commutator strengthening ring, comprise the strengthening ring matrix 1 that is consisted of by alkali-free glass fibre yarn, described strengthening ring matrix 1 forms after infiltrating resin mother liquor solidifying formation and strengthens ring body 2, described resin mother liquor is formed by following material configuration: Resins, epoxy, solidifying agent, organic solvent and Powdered solid insulation particle 3, by weight, the add-on of described solidifying agent is 65% of described Resins, epoxy add-on, the add-on of described organic solvent is 35% of described Resins, epoxy add-on, and the add-on of described Powdered solid insulation particle 3 is 1% of described Resins, epoxy add-on; Wherein, have at least the described Powdered solid insulation particle 3 of part to expose to the outside surface of the described reinforcement ring body 2 after the moulding.
In the present embodiment, above-mentioned Powdered solid insulation particle 3 is nano silicon, and above-mentioned organic solvent is ethanol, and above-mentioned solidifying agent is resol.
Above-mentioned Resins, epoxy comprises E51 Resins, epoxy and F51 novolac epoxy, by weight, described E51 Resins, epoxy account for described Resins, epoxy total amount 75%, described F51 novolac epoxy account for described Resins, epoxy total amount 25%.
Certainly, the silicon-dioxide that above-mentioned Powdered solid insulation particle adopts except the present embodiment, it also can be in silicon rubber, viton, aluminum oxide, silicon nitride and the silicon carbide any one.
Embodiment 2.
A kind of high-strength commutator strengthening ring, comprise the strengthening ring matrix 1 that is consisted of by alkali-free glass fibre yarn, described strengthening ring matrix 1 forms after infiltrating resin mother liquor solidifying formation and strengthens ring body 2, described resin mother liquor is formed by following material configuration: Resins, epoxy, solidifying agent, organic solvent and Powdered solid insulation particle 3, by weight, the add-on of described solidifying agent is 75% of described Resins, epoxy add-on, the add-on of described organic solvent is 50% of described Resins, epoxy add-on, and the add-on of described Powdered solid insulation particle 3 is 3% of described Resins, epoxy add-on; Wherein, have at least the described Powdered solid insulation particle 3 of part to expose to the outside surface of the described reinforcement ring body 2 after the moulding.
In the present embodiment, above-mentioned Powdered solid insulation particle 3 is nano silicone rubber and viton, and above-mentioned organic solvent is methyl alcohol, and above-mentioned solidifying agent is resol.
Above-mentioned Resins, epoxy comprises E51 Resins, epoxy and F51 novolac epoxy, by weight, described E51 Resins, epoxy account for described Resins, epoxy total amount 65%, described F51 novolac epoxy account for described Resins, epoxy total amount 35%.
Embodiment 3.
A kind of high-strength commutator strengthening ring, comprise the strengthening ring matrix 1 that is consisted of by alkali-free glass fibre yarn, described strengthening ring matrix 1 forms after infiltrating resin mother liquor solidifying formation and strengthens ring body 2, described resin mother liquor is formed by following material configuration: Resins, epoxy, solidifying agent, organic solvent and Powdered solid insulation particle 3, by weight, the add-on of described solidifying agent is 70% of described Resins, epoxy add-on, the add-on of described organic solvent is 45% of described Resins, epoxy add-on, and the add-on of described Powdered solid insulation particle 3 is 2% of described Resins, epoxy add-on; Wherein, have at least the described Powdered solid insulation particle 3 of part to expose to the outside surface of the described reinforcement ring body 2 after the moulding.
In the present embodiment, above-mentioned Powdered solid insulation particle 3 is the mixture of nano aluminium oxide, silicon nitride and silicon carbide, and above-mentioned organic solvent is acetone, and above-mentioned solidifying agent is resol.
Above-mentioned Resins, epoxy comprises E51 Resins, epoxy and F51 novolac epoxy, by weight, described E51 Resins, epoxy account for described Resins, epoxy total amount 70%, described F51 novolac epoxy account for described Resins, epoxy total amount 30%.
Claims (7)
1. high-strength commutator strengthening ring, comprise the strengthening ring matrix that is consisted of by alkali-free glass fibre yarn, described strengthening ring matrix forms after infiltrating resin mother liquor solidifying formation and strengthens ring body, it is characterized in that: described resin mother liquor is formed by following material configuration: Resins, epoxy, solidifying agent, organic solvent and Powdered solid insulation particle, by weight, the add-on of described solidifying agent is 65% to 75% of described Resins, epoxy add-on, the add-on of described organic solvent is 35% to 50% of described Resins, epoxy add-on, and the add-on of described Powdered solid insulation particle is 1% to 3% of described Resins, epoxy add-on; Wherein, have at least the described Powdered solid insulation particle of part to expose to the outside surface of the described reinforcement ring body after the moulding.
2. a kind of high-strength commutator strengthening ring according to claim 1 is characterized in that: described Powdered solid insulation particle comprises a kind of in silicon rubber, viton, aluminum oxide, silicon nitride, silicon carbide and the silicon-dioxide at least.
3. a kind of high-strength commutator strengthening ring according to claim 1 and 2, it is characterized in that: described Powdered solid insulation particle is nano-scale particle.
4. a kind of high-strength commutator strengthening ring according to claim 1 and 2, it is characterized in that: described Resins, epoxy comprises E51 Resins, epoxy and F51 novolac epoxy, by weight, described E51 Resins, epoxy account for described Resins, epoxy total amount 75% to 65%, described F51 novolac epoxy account for described Resins, epoxy total amount 25% to 35%.
5. a kind of high-strength commutator strengthening ring according to claim 3, it is characterized in that: described Resins, epoxy comprises E51 Resins, epoxy and F51 novolac epoxy, by weight, described E51 Resins, epoxy account for described Resins, epoxy total amount 75% to 65%, described F51 novolac epoxy account for described Resins, epoxy total amount 25% to 35%.
6. a kind of high-strength commutator strengthening ring according to claim 1 is characterized in that: described organic solvent is a kind of in methyl alcohol, ethanol or the acetone.
7. a kind of high-strength commutator strengthening ring according to claim 1, it is characterized in that: described solidifying agent is resol.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210426913.0A CN102924873B (en) | 2012-10-31 | 2012-10-31 | High-strength reverser reinforcing ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210426913.0A CN102924873B (en) | 2012-10-31 | 2012-10-31 | High-strength reverser reinforcing ring |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102924873A true CN102924873A (en) | 2013-02-13 |
| CN102924873B CN102924873B (en) | 2014-09-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210426913.0A Expired - Fee Related CN102924873B (en) | 2012-10-31 | 2012-10-31 | High-strength reverser reinforcing ring |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105219024A (en) * | 2015-10-20 | 2016-01-06 | 宁波东昊电缆附件有限公司 | 220kV epoxy type insulated copper shell |
| CN110429736A (en) * | 2019-08-02 | 2019-11-08 | 浙江联昌电气科技有限公司 | A kind of processing method of motor reinforcing ring |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1819369A (en) * | 2006-02-20 | 2006-08-16 | 叶云弟 | Production of high-temperature-resisting reinforced ring of commutator and producer thereof |
| CN1827349A (en) * | 2006-04-14 | 2006-09-06 | 宁波市江北华丰绝缘电器厂 | Method for manufacturing strengthening ring of commutator |
-
2012
- 2012-10-31 CN CN201210426913.0A patent/CN102924873B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1819369A (en) * | 2006-02-20 | 2006-08-16 | 叶云弟 | Production of high-temperature-resisting reinforced ring of commutator and producer thereof |
| CN1827349A (en) * | 2006-04-14 | 2006-09-06 | 宁波市江北华丰绝缘电器厂 | Method for manufacturing strengthening ring of commutator |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105219024A (en) * | 2015-10-20 | 2016-01-06 | 宁波东昊电缆附件有限公司 | 220kV epoxy type insulated copper shell |
| CN110429736A (en) * | 2019-08-02 | 2019-11-08 | 浙江联昌电气科技有限公司 | A kind of processing method of motor reinforcing ring |
| CN110429736B (en) * | 2019-08-02 | 2021-06-08 | 浙江联昌电气科技有限公司 | Machining method of motor reinforcing ring |
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| Publication number | Publication date |
|---|---|
| CN102924873B (en) | 2014-09-17 |
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Effective date of registration: 20201123 Address after: 274400 Qin village, Heze Town, Caoxian, Shandong Patentee after: CAOXIAN LUGONG MACHINERY Co.,Ltd. Address before: 315032, building 5, Ma Ma Industrial Zone, Zhuang Qiao Town, Zhejiang, Ningbo Patentee before: NINGBO JIANGBEI HONGLING INSULATION FACTORY (GENERAL PARTNERSHIP) |
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Granted publication date: 20140917 Termination date: 20211031 |
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